Home / 141,078.72-211,537.84-109,046.44

Finding the Fourth Proportional to 141,078.72, 211,537.84 and 109,046.44

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Solution

The fourth proportional to 141,078.72, 211,537.84 and 109,046.44 is: 163,507.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,078.72 : 211,537.84 = 109,046.44 : x
  2. Step 2: Convert to fraction form
    141,078.72/211,537.84 = 109,046.44/x
  3. Step 3: Cross multiply
    141,078.72x = 211,537.84 × 109,046.44
  4. Step 4: Simplify right side
    141,078.72x = 23,067,448,377.29
  5. Step 5: Solve for x
    x = 23,067,448,377.29/141,078.72
  6. Step 6: Final answer
    x = 163,507.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.